Apparatus for controlling the ventilation of laboratory fume hoo

Apparatus for determining the position of a moveable structure a

Apparatus for generating at least one jet of gaseous fluid

Apparatus for removal of second hand smoke

Apparatus for the reduction of tobacco smoke

Arrangement for extraction of harmful gases from workplaces

Arrangement in fume extraction arms

Articulated duct fume collection and exhaust apparatus

Ashtray assembly for use with smoke removal apparatus

Automatic sash return for work chamber

Automotive powder coating booth with modulated air flow

Biological safety cabinet

Biological safety cabinet with improved air flow

Blowing port for clean air of an apparatus for washing semicondu

Booth with controlled environment for aircraft maintenance

Clean bench for cleaning atmosphere of partitioned space

Clean room and clean room containment center

Clean work booth

Cleaning apparatus for maintaining semiconductor equipment

Closed capture emission system